Vasta città retrofuturistica con imponenti megastrutture metalliche

a striking, vintage illustration, retrofuturism, a kind of dirty sci-fi illustration, with a strong sense of sci-fi adventure. This style is a clear blend of European sci-fi and fantasy illustration, in the vein ofJean Moebius Giraud, of a sprawling, detailed cityscape dominated by immense, futuristic structures, some resembling colossal, layered spacecrafts and others resembling towering skyscrapers. These shiny metallic, complex structures are composed of numerous compartments, panels, and intricate details, rendered in shades of grey, white, and subtle hints of orange luminescence. Large, rounded, metallic structures float in the upper atmosphere, adding to the imposing scale of the scene. Below, a bustling city stretches toward the horizon, filled with miniature figures of people and small vehicles traversing a wide, central avenue. The ground level displays a textured surface. The atmosphere is hazy, with a muted palette of colors, creating a sense of a vast, industrial, and somewhat dystopian environment. The lighting suggests either a daytime or twilight setting, with the light source coming from a bright, overcast sky. The overall style is reminiscent of science fiction concept art. High detailed. The overall style suggests a blend of vintage sci-fi aesthetics and comic book art, with clean lines and mutted colors creating a dreamlike atmosphere, in the style of Moebius